Beautiful form with no waste. This is a RAKUWA necklace that uses the highest level (*compared to manufacturer's) technology "METAX". The rounded and beautiful clasp is made of pure titanium with a luxurious feel. The simple, slender string makes it easy to wear for both men and women, and it is an item that brings out the charm of adults, combining design and power. Comes in a special case, perfect as a gift. Technology: Metax Materials: String (side fabric)/polyester/nylon, string (center)/elastomer, clasp/pure titanium, internal parts/aluminum/polyacetal